[KinoSearch] get_score == nan
peter at peknet.com
Tue Apr 6 11:39:33 PDT 2010
Marvin Humphrey wrote on 04/06/2010 01:20 PM:
> On Tue, Apr 06, 2010 at 11:56:56AM -0500, Peter Karman wrote:
>> Is there any legitimate way that $hitdoc->get_score would return a value
>> that Perl stringifies to 'nan'?
> When using a SortSpec that doesn't include scoring, yes. In that case,
> SortCollector assigns 'nan' to the MatchDoc score member and it never gets
> overwritten with a real value. We optimize the "score not needed" case and
> avoid the cost of calculating scores.
ah ok. That's likely what's happening (SortSpec with no scoring).
Peter Karman . http://peknet.com/ . peter at peknet.com
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